Home / 14,489.96-21,744.68-5,129.94

Finding the Fourth Proportional to 14,489.96, 21,744.68 and 5,129.94

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Solution

The fourth proportional to 14,489.96, 21,744.68 and 5,129.94 is: 7,698.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,489.96 : 21,744.68 = 5,129.94 : x
  2. Step 2: Convert to fraction form
    14,489.96/21,744.68 = 5,129.94/x
  3. Step 3: Cross multiply
    14,489.96x = 21,744.68 × 5,129.94
  4. Step 4: Simplify right side
    14,489.96x = 111,548,878.07
  5. Step 5: Solve for x
    x = 111,548,878.07/14,489.96
  6. Step 6: Final answer
    x = 7,698.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.